4383770
Descrição
Quiz por Anthony Schulmeister, atualizado more than 1 year ago
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Criado por Anthony Schulmeister
quase 9 anos atrás
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Questão 1
Questão
Which statement describes a characteristic of Cisco Meraki switches?
Responda
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They are cloud-managed access switches that enable virtual stacking of switches.
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They are service provider switches that aggregate traffic at the edge of the network.
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They promote infrastructure scalability, operational continuity, and transport flexibility.
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They are campus LAN switches that perform the same functions as Cisco 2960 switches.
Questão 2
Questão
Which design feature will limit the size of a failure domain in an enterprise network?
Responda
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the use of the building switch block approach
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the use of a collapsed core design
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the installation of redundant power supplies
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the purchase of enterprise equipment that is designed for large traffic volume
Questão 3
Questão
Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)
Responda
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show startup-config
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show running-config
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show NVRAM
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show flash
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show version
Questão 4
Questão
What is the function of PoE pass-through?
Responda
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allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch
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allows a multilayer switch to forward IP packets at a rate close to that of Layer 2 switching by bypassing the CPU
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allows a switch to disable redundant Layer 2 paths in the topology to prevent Layer 2 loops
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allows multiple physical switch ports to be aggregated together and act as a single logical link to increase bandwidth on trunk links
Questão 5
Questão
A network administrator is planning redundant devices and cabling in a switched network to support high availability. Which benefit will implementing the Spanning Tree Protocol provide to this design?
Responda
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Redundant paths can be available without causing logical Layer 2 loops.
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Multiple physical interfaces can be combined into a single EtherChannel interface.
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Faster convergence is available for advanced routing protocols.
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Network access can be expanded to support both wired and wireless devices.
Questão 6
Questão
What are two ways to access a Cisco switch for out-of-band management? (Choose two.)
Responda
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a connection that uses the AUX port
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a connection that uses Telnet
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a connection that uses SSH
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a connection that uses the console port
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a connection that uses HTTP
Questão 7
Questão
What are two functions of a router? (Choose two.)
Responda
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It determines the best path to send packets.
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It connects multiple IP networks.
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It manages the VLAN database.
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It controls the flow of data via the use of Layer 2 addresses
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It increases the size of the broadcast domain.
Questão 8
Questão
In which situation would a network administrator install a Cisco Nexus Series or Cisco Catalyst 6500 Series switch to promote infrastructure scalability?
Responda
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to enable virtual stacking of switches to provide cloud-managed access
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on a service provider network to promote integrated security, and simplified management
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on a campus LAN network as access layer switches
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on a data center network to provide expansion and transport flexibility
Questão 9
Questão
What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)
Responda
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decreased number of critical points of failure
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increased bandwidth availability
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increased flexibility
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increased network management options
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reduced costs
Questão 10
Questão
What network design would contain the scope of disruptions on a network should a failure occur?
Responda
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the installation of only enterprise class equipment throughout the network
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the configuration of all access layer devices to share a single gateway
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the deployment of distribution layer switches in pairs and the division of access layer switch connections between them
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the reduction in the number of redundant devices and connections in the network core
Questão 11
Questão
Which two requirements must always be met to use in-band management to configure a network device? (Choose two.)
Responda
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a direct connection to the auxiliary port
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a direct connection to the console port
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Telnet, SSH, or HTTP access to the device
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a terminal emulation client
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at least one network interface that is connected and operational
Questão 12
Questão
What term is used to express the thickness or height of a switch?
Responda
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module size
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domain size
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port density
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rack unit
Questão 13
Questão
In the Cisco Enterprise Architecture, which two functional parts of the network are combined to form a collapsed core design? (Choose two.)
Responda
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enterprise edge
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provider edge
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access layer
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core layer
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distribution layer
Questão 14
Questão
How can an enterprise network be designed to optimize bandwidth?
Responda
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by deploying a collapsed core model
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by organizing the network to control traffic patterns
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by limiting the size of failure domains
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by installing devices with failover capabilities
Questão 15
Questão
Which statement describes a characteristic of Cisco Catalyst 2960 switches?
Responda
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They are modular switches.
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New Cisco Catalyst 2960-C switches support PoE pass-through.
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They do not support an active switched virtual interface (SVI) with IOS versions prior to 15.x.
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They are best used as distribution layer switches.
Questão 16
Questão
A network engineer is reviewing a network design that uses a fixed configuration enterprise router that supports both LAN and WAN connections. However, the engineer realizes that the router does not have enough interfaces to support growth and network expansion. Which type of device should be used as a replacement?
Responda
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a PoE device
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another fixed configuration router
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a layer 3 switch
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a modular router
Questão 17
Questão
What is the function of ASICs in a multilayer switch?
Responda
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They provide power to devices such as IP phones and wireless access points through Ethernet ports.
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They aggregate multiple physical switch ports into a single logical port.
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They prevent Layer 2 loops by disabling redundant links between switches.
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They streamline forwarding of IP packets in a multilayer switch by bypassing the CPU.
Questão 18
Questão
Refer to the exhibit. Which devices exist in the failure domain when switch S3 loses power?
Responda
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PC_3 and PC_2
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AP_2 and AP_1
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S4 and PC_2
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PC_3 and AP_2
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S1 and S4
Questão 19
Questão
Which two features of enterprise class equipment assists an enterprise network in maintaining 99.999 percent up-time? (Choose two.)
Responda
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collapsed core
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failover capabilities
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redundant power supplies
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failure domains
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services module
Questão 20
Questão
As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of?
Responda
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providing redundant links that dynamically block or forward traffic
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providing redundant devices to allow traffic to flow in the event of device failure
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grouping two devices to share a virtual IP address
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grouping multiple physical ports to increase bandwidth between two switches
Questão 21
Questão
Fill in the blank. Use a number.
The default hello timer value for STP BPDU frames is [blank_start]2[blank_end] seconds.
Responda
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2
Questão 22
Questão
Which two network design features require Spanning Tree Protocol (STP) to ensure correct network operation? (Choose two.)
Responda
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static default routes
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removing single points of failure with multiple Layer 2 switches
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link-state dynamic routing that provides redundant routes
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redundant links between Layer 2 switches
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implementing VLANs to contain broadcasts
Questão 23
Questão
Which nonproprietary protocol provides router redundancy for a group of routers which support IPv4 LANs?
Responda
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SLB
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VRRPv2
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HSRP
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GLBP
Questão 24
Questão
Refer to the exhibit. Which protocol information is being displayed in the output?
Responda
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FHRP
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VHRP
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HSRP
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GLBP
Questão 25
Questão
In which two port states does a switch learn MAC addresses and process BPDUs in a PVST network? (Choose two.)
Responda
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disabled
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listening
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learning
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forwarding
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blocking
Questão 26
Questão
Refer to the exhibit. Which trunk link will not forward any traffic after the root bridge election process is complete?
Responda
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Trunk1
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Trunk2
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Trunk3
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Trunk4
Questão 27
Questão
Which three components are combined to form a bridge ID?
Responda
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cost
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port ID
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IP address
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extended system ID
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bridge priority
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MAC address
Questão 28
Questão
Which STP port role is adopted by a switch port if there is no other port with a lower cost to the root bridge?
Responda
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alternate
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disabled port
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designated port
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root port
Questão 29
Questão
Which two concepts relate to a switch port that is intended to have only end devices attached and intended never to be used to connect to another switch? (Choose two.)
Responda
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extended system ID
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edge port
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PortFast
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bridge ID
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PVST+
Questão 30
Questão
What is an advantage of PVST+?
Responda
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PVST+ optimizes performance on the network through autoselection of the root bridge.
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PVST+ optimizes performance on the network through load sharing.
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PVST+ requires fewer CPU cycles for all the switches in the network.
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PVST+ reduces bandwidth consumption compared to traditional implementations of STP that use CST.
Questão 31
Questão
To obtain an overview of the spanning tree status of a switched network, a network engineer issues the show spanning-tree command on a switch. Which two items of information will this command display? (Choose two.)
Responda
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The status of native VLAN ports.
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The root bridge BID.
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The number of broadcasts received on each root port
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The IP address of the management VLAN interface.
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The role of the ports in all VLANs.
Questão 32
Questão
Fill in the blank. Do not abbreviate.
To enable Rapid PVST+ on a Cisco switch, the spanning-tree mode [blank_start]rapid-pvst[blank_end] global configuration mode command is required
Responda
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rapid-pvst
Questão 33
Questão
Which is the default STP operation mode on Cisco Catalyst switches?
Responda
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MST
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Rapid PVST+
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PVST+
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RSTP
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MSTP
Questão 34
Questão
What additional information is contained in the 12-bit extended system ID of a BPDU?
Responda
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port ID
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VLAN ID
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MAC address
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IP address
Questão 35
Questão
What value determines the root bridge when all switches connected by trunk links have default STP configurations?
Responda
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extended system ID
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MAC address
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bridge priority
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VLAN ID
Questão 36
Questão
Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host?
Responda
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192.168.2.0
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192.168.2.1
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192.168.2.2
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192.168.2.100
Questão 37
Questão
What could be the effect of duplicate unicast frames arriving at a destination device due to multiple active alternative physical paths?
Responda
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The number of broadcast domains increases
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Application protocols malfunction
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Frame collisions increase
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The number of collision domains increases
Questão 38
Questão
Which STP priority configuration would ensure that a switch would always be the root switch?
Responda
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spanning-tree vlan 10 root primary
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spanning-tree vlan 10 priority 61440
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spanning-tree vlan 10 priority 4096
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spanning-tree vlan 10 priority 0
Questão 39
Questão
Which Cisco switch feature ensures that configured switch edge ports do not cause Layer 2 loops if a port is mistakenly connected to another switch?
Responda
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PortFast
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BPDU guard
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extended system ID
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PVST+
Questão 40
Questão
Fill in the blank.
In FHRP operation, two or more routers are represented as a single [blank_start]virtual[blank_end] router.
Responda
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virtual
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